Hat You Didn’t Notice About Hey Arnold’s Grandpa

Yes its a facebook group, besides that i’m a little shocked that this hasn’t been noticed before.

This post was created by a user and has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can post awesome lists and creations. Learn more or post your buzz!

    Hot Buzz

    What Is Your Greatest Parent Fail?


    What Book Would You Recommend For Your Book Club?

    Now Buzzing